Top cover for an internal-combustion engine



FIG. 1 is a first perspective view of a top cover for an internal-combustion engine, showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The broken lines shown in the drawings illustrate portions of the top cover for an internal-combustion engine that form no part of the claimed design. The drawings include grayscale surface shading which illustrates contour, not any particular color. 

CLAIM The ornamental design for a top cover for an internal-combustion engine, as shown and described. 